diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/unlinkat.c')
-rw-r--r-- | sysdeps/unix/sysv/linux/unlinkat.c | 69 |
1 files changed, 3 insertions, 66 deletions
diff --git a/sysdeps/unix/sysv/linux/unlinkat.c b/sysdeps/unix/sysv/linux/unlinkat.c index 6366c867e1..2d5bd74170 100644 --- a/sysdeps/unix/sysv/linux/unlinkat.c +++ b/sysdeps/unix/sysv/linux/unlinkat.c @@ -24,9 +24,10 @@ #include <string.h> #include <sysdep.h> #include <unistd.h> -#include <kernel-features.h> +/* Consider moving to syscalls.list. */ + /* Remove the link named NAME. */ int unlinkat (fd, file, flag) @@ -34,69 +35,5 @@ unlinkat (fd, file, flag) const char *file; int flag; { - int result; - -#ifdef __NR_unlinkat -# ifndef __ASSUME_ATFCTS - if (__have_atfcts >= 0) -# endif - { - result = INLINE_SYSCALL (unlinkat, 3, fd, file, flag); -# ifndef __ASSUME_ATFCTS - if (result == -1 && errno == ENOSYS) - __have_atfcts = -1; - else -# endif - return result; - } -#endif - -#ifndef __ASSUME_ATFCTS - if (flag & ~AT_REMOVEDIR) - { - __set_errno (EINVAL); - return -1; - } - - char *buf = NULL; - - if (fd != AT_FDCWD && file[0] != '/') - { - size_t filelen = strlen (file); - if (__glibc_unlikely (filelen == 0)) - { - __set_errno (ENOENT); - return -1; - } - - static const char procfd[] = "/proc/self/fd/%d/%s"; - /* Buffer for the path name we are going to use. It consists of - - the string /proc/self/fd/ - - the file descriptor number - - the file name provided. - The final NUL is included in the sizeof. A bit of overhead - due to the format elements compensates for possible negative - numbers. */ - size_t buflen = sizeof (procfd) + sizeof (int) * 3 + filelen; - buf = __alloca (buflen); - - __snprintf (buf, buflen, procfd, fd, file); - file = buf; - } - - INTERNAL_SYSCALL_DECL (err); - - if (flag & AT_REMOVEDIR) - result = INTERNAL_SYSCALL (rmdir, err, 1, file); - else - result = INTERNAL_SYSCALL (unlink, err, 1, file); - - if (__glibc_unlikely (INTERNAL_SYSCALL_ERROR_P (result, err))) - { - __atfct_seterrno (INTERNAL_SYSCALL_ERRNO (result, err), fd, buf); - result = -1; - } - - return result; -#endif + return INLINE_SYSCALL (unlinkat, 3, fd, file, flag); } |